<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
Author: bolinfest@google.com (Michael Bolin)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>Closure Unit Tests - goog.ui.InputDatePicker</title>
  <script src="../base.js"></script>
  <script>
    goog.require('goog.i18n.DateTimeFormat');
    goog.require('goog.i18n.DateTimeParse');
    goog.require('goog.testing.jsunit');
    goog.require('goog.ui.InputDatePicker');
  </script>
</head>
<body>

<div id="renderElement"></div>
<div id="popupParent"></div>

<script>
  var dateTimeFormatter = new goog.i18n.DateTimeFormat('MM/dd/yyyy');
  var dateTimeParser = new goog.i18n.DateTimeParse('MM/dd/yyyy');

  var inputDatePicker;
  var popupDatePicker;

  function setUp() {
  }

  function tearDown() {
    if (inputDatePicker) {
      inputDatePicker.dispose();
    }
    if (popupDatePicker) {
      popupDatePicker.dispose();
    }
    goog.dom.getElement('renderElement').innerHTML = '';
    goog.dom.getElement('popupParent').innerHTML = '';
  }

  /**
   * Ensure that if setPopupParentElement is not called, that the
   * PopupDatePicker is parented to the body element.
   */
  function test_setPopupParentElementDefault() {
    setPopupParentElement_(null);
    assertEquals('PopupDatePicker should be parented to the body element',
        document.body,
        popupDatePicker.getElement().parentNode);
  }

  /**
   * Ensure that if setPopupParentElement is called, that the
   * PopupDatePicker is parented to the specified element.
   */
  function test_setPopupParentElement() {
    var popupParentElement = goog.dom.getElement('popupParent');
    setPopupParentElement_(popupParentElement);
    assertEquals('PopupDatePicker should be parented to the popupParent DIV',
        popupParentElement,
        popupDatePicker.getElement().parentNode);
  }

  /**
   * Creates a new InputDatePicker and calls setPopupParentElement with the
   * specified element, if provided. If el is null, then setPopupParentElement
   * is not called.
   * @param {Element} el If non-null, the argument to pass to
   *     inputDatePicker.setPopupParentElement().
   * @private
   */
  function setPopupParentElement_(el) {
    inputDatePicker = new goog.ui.InputDatePicker(
        dateTimeFormatter,
        dateTimeParser);

    if (el) {
      inputDatePicker.setPopupParentElement(el);
    }

    inputDatePicker.render(goog.dom.getElement('renderElement'));
    popupDatePicker = inputDatePicker.popupDatePicker_;
  }


  function test_ItParsesDataCorrectly() {
    inputDatePicker = new goog.ui.InputDatePicker(
        dateTimeFormatter,
        dateTimeParser);
    inputDatePicker.render(goog.dom.getElement('renderElement'));

    inputDatePicker.createDom();
    inputDatePicker.setInputValue('8/9/2009');

    var parsedDate = inputDatePicker.getInputValueAsDate_();
    assertEquals(2009, parsedDate.getYear());
    assertEquals(7, parsedDate.getMonth()); // Months start from 0
    assertEquals(9, parsedDate.getDate());
  }

  function test_ItUpdatesItsValueOnPopupShown() {
    inputDatePicker = new goog.ui.InputDatePicker(
        dateTimeFormatter,
        dateTimeParser);

    setPopupParentElement_(null);
    inputDatePicker.setInputValue('1/1/1');
    inputDatePicker.showForElement(document.body);
    var inputValue = inputDatePicker.getInputValue();
    assertEquals('01/01/0001', inputValue);
  }

  function test_ItDoesNotClearInputOnPopupShown() {
    // if popup does not have a date set, don't update input value
    inputDatePicker = new goog.ui.InputDatePicker(
        dateTimeFormatter,
        dateTimeParser);

    setPopupParentElement_(null);
    inputDatePicker.setInputValue('i_am_not_a_date');
    inputDatePicker.showForElement(document.body);
    var inputValue = inputDatePicker.getInputValue();
    assertEquals('i_am_not_a_date', inputValue);
  }
</script>

</body>
</html>
